exam
Maths Puzzle
Numerical Ability
12<5x-3<22
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exam Other Question
I am trying to work this problem out...keep running into the wall...could please explain...the less and greater than sign has a line underneath.
solve the following sytem of linear inequalities by graphing.
x+2y<3
2x-3y<6
"Prove that if n is an integer and log2 is rational, then log2 n is an integer?"